1560-01-478-8199 COVER,MECHANICAL TR Index 1560-01-478-8201 ARMATURE ASYMMETRY,

National Stock Number:
5310-01-478-8200

Federal Supply Class:
5310

National Item Identification Number:
014788200

Description:
WASHER,FLAT

Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.


Manufacturer Information:
C365538157N456-0630ZWK8MOOG INC.
S8157N456-0630ZWK8MOOG INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
OVERALL DIAMETER0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY: WASHER; DWG: WASHER, SPECIAL MISCELLANEOUS MATERIAL
MATERIALSTEEL COMP 321 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.063 INCHES NOMINAL


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